Topic
Compounds of zinc
About: Compounds of zinc is a research topic. Over the lifetime, 59 publications have been published within this topic receiving 603 citations.
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TL;DR: In this article, the conditions of synthesis and results in the characterisation (chemical analysis, thermal analysis) for two complex compounds of zinc: [Zn(phen)(S 2 O 3 )(H 2 O)]·2H 2
Abstract: Nanocrystalline zinc compounds were obtained by thermooxidative degradation of zinc complexes. There are presented the conditions of synthesis and results in the characterisation (chemical analysis, thermal analysis) for two complex compounds of zinc: [Zn(phen)(S 2 O 3 )(H 2 O)]·2H 2 O and [Zn(phen) 2 (H 2 O) 2 ][Zn(phen)(S 2 O 3 ) 2 ]·4H 2 O. On the basis of transmission electron microscopy (TEM) the complex sulfide and zinc oxide (prepared by controlled thermal decomposition of these compounds) may be included in the nanomaterials category.
7 citations
6 citations
Patent•
30 Dec 1999
TL;DR: In a process for preparing bis(2-morpholinoethyl) ether by reacting diethylene glycol with ammonia under superatmospheric pressure and at elevated temperature in the presence of hydrogen and a hydrogenation catalyst, the catalytically active composition of the catalyst prior to reduction with hydrogen comprises from 20 to 85% by weight of aluminum oxide (Al2 O3), zirconium dioxide (ZrO2), titanium dioxide (TiO2) and/or silicon dioxide (SiO2)) as mentioned in this paper.
Abstract: In a process for preparing bis(2-morpholinoethyl) ether by reacting diethylene glycol with ammonia under superatmospheric pressure and at elevated temperature in the presence of hydrogen and a hydrogenation catalyst, the catalytically active composition of the catalyst prior to reduction with hydrogen comprises from 20 to 85% by weight of aluminum oxide (Al2 O3), zirconium dioxide (ZrO2), titanium dioxide (TiO2) and/or silicon dioxide (SiO2), from 1 to 70% by weight of oxygen-containing compounds of copper, calculated as CuO, from 0 to 50% by weight of oxygen-containing compounds of magnesium, calculated as MgO, oxygen-containing compounds of chromium, calculated as Cr2 O3, oxygen-containing compounds of zinc, calculated as ZnO, oxygen-containing compounds of barium, calculated as BaO, and/or oxygen-containing compounds of calcium, calculated as CaO, and less than 20% by weight of oxygen-containing compounds of nickel, calculated as NiO, based on the oxygen-containing compounds of copper, calculated as CuO.
6 citations
TL;DR: The moments of zinc chloride complexes are in the order: gamma -picoline> beta-picoline?> pynidine> alphapicoline as mentioned in this paper, which reveals an anomaly in the relative polarities of zinc and boron complexes.
Abstract: Dioxane was used as solvent for the complexes of zinc chloride with pyridines and the picolines for dielectric constant measurements, and benzene for dichlorobis(triethylphospbine)-zinc. The moments of zinc chloride complexes are in the order: gamma -picoline> beta -picoline?> pynidine> alpha -picoline. These and other moments obtained reveal an anomaly in the relative polarities of zinc and boron complexes. (P.C.H.)
5 citations
Patent•
30 Jun 2010
TL;DR: In this paper, the zinc manganese silicate containing metal particles luminescent materials and preparation methods thereof are provided, which have simple steps, easy operation, low sintering temperature and low cost.
Abstract: Zinc manganese silicate containing metal particles luminescent materials and preparation methods thereof are provided. The said luminescent materials are represented by the general formula: Zn2-xSiO4 : Mnx, My, wherein M are metals, 0.001<=x<=0.1,0.00001<=y<=0.01. The said methods include the following steps: step 1, preparing silica aerogel containing metal particles; step 2, weighing compounds of zinc source, compounds of manganese source and the silica aerogel in step 1 at stoichiometric ratio and mixing them to form mixture; step 3, sintering the mixture in step 2, then cooling and grinding to form the said luminescent materials with higher luminescent intensity. The said methods have simple steps, easy operation, low sintering temperature and low cost.
5 citations